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Handwriting fixes

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This commit is contained in:
furrtek 2016-05-11 01:03:42 +02:00
parent a42f5beb9b
commit b4a113be59
9 changed files with 176 additions and 110 deletions
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3
.gitignore vendored
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@ -1,3 +1,6 @@
/firmware/application/fox.bmp
/firmware/application/fox_rle.bmp
/firmware/test.wav
# Compiled Object files
*.slo
*.lo

2
firmware/Makefile
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@ -65,7 +65,7 @@ modules: $(TARGET_BASEBAND).bin $(TARGET_BASEBAND_TX).bin
cp $(PATH_BASEBAND_TX).bin ../sdcard/$(PATH_BASEBAND_TX).bin
$(TARGET).bin: modules $(MAKE_SPI_IMAGE) $(TARGET_BOOTSTRAP).bin $(TARGET_HACKRF_FIRMWARE).dfu $(TARGET_BASEBAND_TX)_inc.bin $(TARGET_APPLICATION).bin
$(MAKE_SPI_IMAGE) $(TARGET_BOOTSTRAP).bin $(TARGET_HACKRF_FIRMWARE).dfu $(TARGET_BASEBAND)_inc.bin $(TARGET_APPLICATION).bin $(TARGET).bin
$(MAKE_SPI_IMAGE) $(TARGET_BOOTSTRAP).bin $(TARGET_HACKRF_FIRMWARE).dfu $(TARGET_BASEBAND_TX)_inc.bin $(TARGET_APPLICATION).bin $(TARGET).bin
$(TARGET_BOOTSTRAP).bin: $(TARGET_BOOTSTRAP).elf
$(CP) -O binary $(TARGET_BOOTSTRAP).elf $(TARGET_BOOTSTRAP).bin

3
firmware/application/main.cpp
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@ -21,6 +21,9 @@
//BUG: No audio in about when shown second time
//BUG: Description doesn't show up first time going to system>module info (UI drawn on top)
//BUG: Module load and return to systemview
//TODO: EPAR transmit
//TODO: Use progressbars
//TODO: Setting: Prefered input method
//TODO: LCR emergency clear all
//TODO: LCR receiver

210
firmware/application/ui_handwrite.cpp
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@ -25,13 +25,10 @@
#include "ch.h"
#include "ff.h"
#include "unistroke.hpp"
#include "portapack.hpp"
#include "event_m0.hpp"
#include "string_format.hpp"
#include "hackrf_hal.hpp"
#include "portapack_shared_memory.hpp"
#include "time.hpp"
#include <cstring>
@ -39,18 +36,28 @@ using namespace portapack;
namespace ui {
void HandWriteView::paint(Painter& painter) {
_painter = &painter;
}
HandWriteView::HandWriteView(
NavigationView& nav,
char txt[],
uint8_t max_len
) {
const char special_chars[5] = {'\'', '.', '?', '!', '='};
_max_len = max_len;
_lowercase = false;
txtidx = 0;
// Handwriting alphabet definition here
handwriting = &handwriting_unistroke;
//memcpy(txtinput, txt, max_len+1);
add_child(&text_input);
add_children({ {
&text_input,
&button_case,
&button_ok
} });
const auto button_fn = [this](Button& button) {
this->on_button(button);
@ -62,35 +69,45 @@ HandWriteView::HandWriteView(
button.on_select = button_fn;
button.set_parent_rect({
static_cast<Coord>(n * 24),
static_cast<Coord>(240),
24, 20
static_cast<Coord>(236),
24, 28
});
const std::string label {
(char)(n + 0x30)
};
button.set_text(label);
button.id = n;
button.id = n + 0x30;
n++;
}
//set_uppercase();
/*add_child(&button_lowercase);
button_lowercase.on_select = [this, &nav, txt, max_len](Button&) {
n = 0;
for(auto& button : special_buttons) {
add_child(&button);
button.on_select = button_fn;
button.set_parent_rect({
static_cast<Coord>(50 + n * 24),
static_cast<Coord>(270),
24, 28
});
const std::string label {
(char)(special_chars[n])
};
button.set_text(label);
button.id = special_chars[n];
n++;
}
button_case.on_select = [this, &nav](Button&) {
if (_lowercase == true) {
_lowercase = false;
button_lowercase.set_text("UC");
set_uppercase();
button_case.set_text("LC");
} else {
_lowercase = true;
button_lowercase.set_text("LC");
set_lowercase();
button_case.set_text("UC");
}
};*/
};
add_child(&text_debug_x);
add_child(&text_debug_y);
add_child(&button_done);
button_done.on_select = [this, &nav, txt, max_len](Button&) {
button_ok.on_select = [this, &nav, txt, max_len](Button&) {
//memcpy(txt, txtinput, max_len+1);
//on_changed(this->value());
nav.pop();
@ -101,8 +118,8 @@ HandWriteView::HandWriteView(
bool HandWriteView::on_touch(const TouchEvent event) {
if (event.type == ui::TouchEvent::Type::Start) {
move_index = 0;
move_wait = 4;
stroke_index = 0;
move_wait = 3;
tracing = true;
}
if (event.type == ui::TouchEvent::Type::End) {
@ -117,39 +134,60 @@ bool HandWriteView::on_touch(const TouchEvent event) {
return true;
}
void HandWriteView::clear_zone(Color color, bool flash) {
display.fill_rectangle(
{{0, 32}, {240, 216}},
color
);
if (flash) {
flash_timer = 4;
} else {
_painter->draw_rectangle(
{{0, 32}, {80, 216}},
Color::grey()
);
_painter->draw_rectangle(
{{80, 32}, {80, 216}},
Color::grey()
);
_painter->draw_rectangle(
{{160, 32}, {80, 216}},
Color::grey()
);
_painter->draw_rectangle(
{{0, 104}, {240, 72}},
Color::grey()
);
}
}
void HandWriteView::guess_letter() {
uint8_t symbol, match, count, stroke_idx, stroke_data;
Condition cond;
Direction dir;
bool matched;
// Clear drawing zone
display.fill_rectangle(
{{0, 16}, {240, 240}},
Color::black()
);
// Letter guessing
if (move_index) {
for (symbol = 0; symbol < handwriting_unistroke.letter_count; symbol++) {
count = handwriting_unistroke.letter[symbol].count;
if (stroke_index) {
for (symbol = 0; symbol < handwriting->letter_count; symbol++) {
count = handwriting->letter[symbol].count;
matched = false;
if (count) {
// We have a count match to do
if ((count == 1) && (move_index == 1)) matched = true;
if ((count == 2) && (move_index == 2)) matched = true;
if ((count == 3) && (move_index > 2)) matched = true;
if ((count == 1) && (stroke_index == 1)) matched = true;
if ((count == 2) && (stroke_index == 2)) matched = true;
if ((count == 3) && (stroke_index > 2)) matched = true;
} else {
matched = true;
}
if (matched) {
for (match = 0; match < 3; match++) {
cond = handwriting_unistroke.letter[symbol].match[match].cond;
dir = handwriting_unistroke.letter[symbol].match[match].dir;
cond = handwriting->letter[symbol].match[match].cond;
dir = handwriting->letter[symbol].match[match].dir;
if ((cond != cond_empty) && (dir != dir_empty)) {
if (cond == last) {
if (move_index)
stroke_idx = move_index - 1;
if (stroke_index)
stroke_idx = stroke_index - 1;
else
stroke_idx = 0;
} else if (cond == stroke_a)
@ -160,7 +198,8 @@ void HandWriteView::guess_letter() {
stroke_idx = 2;
else
stroke_idx = 3;
stroke_data = move_list[stroke_idx];
if (stroke_idx >= stroke_index) break;
stroke_data = stroke_list[stroke_idx];
if ((dir & 0xF0) == 0xF0) {
if ((dir & 0x0F) != (stroke_data & 0x0F)) break;
} else if ((dir & 0x0F) == 0x0F) {
@ -177,22 +216,36 @@ void HandWriteView::guess_letter() {
}
}
if (matched) {
if (symbol)
txtinput[txtidx++] = 'A' + symbol - 1;
if (symbol) {
if (_lowercase)
char_add('a' + symbol - 1);
else
char_add('A' + symbol - 1);
clear_zone(Color::green(), true); // Green flash
} else {
if (txtidx) {
txtinput[--txtidx] = 0; // Erase
clear_zone(Color::yellow(), true); // Yellow flash
} else {
clear_zone(Color::red(), true); // Red flash
}
}
} else {
clear_zone(Color::red(), true); // Red flash
}
} else {
// Short tap is space
txtinput[txtidx++] = ' ';
clear_zone(Color::green(), true); // Green flash
}
update_text();
move_index = 0;
stroke_index = 0;
}
void HandWriteView::add_stroke(uint8_t dir) {
if (move_index < 8) {
move_list[move_index] = dir;
move_index++;
if (stroke_index < 8) {
stroke_list[stroke_index] = dir;
stroke_index++;
} else {
guess_letter();
}
@ -200,18 +253,18 @@ void HandWriteView::add_stroke(uint8_t dir) {
void HandWriteView::sample_pen() {
int16_t diff_x, diff_y;
uint8_t dir, dir_ud, dir_lr;
uint8_t dir, dir_ud, dir_lr, stroke_prev;
// Blink cursor
if (!(sample_skip & 15)) {
Point cursor_pos;
cursor_pos.x = text_input.screen_rect().pos.x + (txtidx * 8);
cursor_pos.y = text_input.screen_rect().pos.y + 17;
cursor_pos.y = text_input.screen_rect().pos.y + 16 - 4;
if (cursor) {
display.fill_rectangle(
{{text_input.screen_rect().pos.x, cursor_pos.y}, {text_input.screen_rect().size.w, 4}},
{cursor_pos, {text_input.screen_rect().size.w - cursor_pos.x, 4}},
Color::black()
);
} else {
@ -223,17 +276,19 @@ void HandWriteView::sample_pen() {
cursor = !cursor;
}
if (flash_timer) {
if (flash_timer == 1) clear_zone(Color::black(), false);
flash_timer--;
}
if (!(sample_skip & 1)) {
if (tracing) {
if (move_wait) {
move_wait--; // ~133ms delay
move_wait--; // ~100ms delay to get rid of jitter from touch start
} else {
diff_x = current_pos.x - last_pos.x;
diff_y = current_pos.y - last_pos.y;
text_debug_x.set(to_string_dec_int(diff_x));
text_debug_y.set(to_string_dec_int(diff_y));
if (current_pos.y <= 240) {
display.fill_rectangle(
{{current_pos.x, current_pos.y}, {4, 4}},
@ -241,7 +296,7 @@ void HandWriteView::sample_pen() {
);
}
dir = 0;
dir = 0; // UL by default
if (abs(diff_x) > 7) {
if (diff_x > 0)
dir |= 0x01; // R
@ -255,41 +310,48 @@ void HandWriteView::sample_pen() {
dir |= 0x20; // ?
}
// Need at least two identical directions to validate stroke
if ((dir & 0x11) == (dir_prev & 0x11))
dir_cnt++;
else
dir_cnt = 0;
dir_prev = dir;
// text_debug_d.set(to_string_dec_uint(dir));
if (dir_cnt > 1) {
dir_cnt = 0;
if (move_index) {
if ((move_list[move_index - 1] != dir) && (dir != 0x22)) {
if (stroke_index) {
if ((stroke_list[stroke_index - 1] != dir) && (dir != 0x22)) {
// Register stroke if different from last one
dir_ud = (dir & 0xF0);
dir_lr = (dir & 0x0F);
stroke_prev = stroke_list[stroke_index - 1];
if (dir_ud == 0x20) {
if ((move_list[move_index - 1] & 0x0F) != dir_lr) add_stroke(dir);
// LR changed
if ((stroke_prev & 0x0F) != dir_lr) add_stroke(dir);
} else if (dir_lr == 0x02) {
if ((move_list[move_index - 1] & 0xF0) != dir_ud) add_stroke(dir);
// UD changed
if ((stroke_prev & 0xF0) != dir_ud) add_stroke(dir);
} else {
// Replacement ?
if (((move_list[move_index - 1] & 0xF0) == 0x20) && (dir_ud != 0x20)) {
if ((move_list[move_index - 1] & 0x0F) == dir_lr) {
move_list[move_index - 1] = dir;
} else if ((dir & 0x0F) == 0x02) {
// Merge
move_list[move_index - 1] = dir_ud | (move_list[move_index - 1] & 0x0F);
// Add direction
if (((stroke_prev & 0xF0) == 0x20) && (dir_ud != 0x20)) {
// Add UD
if ((stroke_prev & 0x0F) == dir_lr) {
// Replace totally
stroke_list[stroke_index - 1] = dir;
} else if (dir_lr == 0x02) {
// Merge UD
stroke_list[stroke_index - 1] = dir_ud | (stroke_prev & 0x0F);
} else {
add_stroke(dir);
}
} else if (((move_list[move_index - 1] & 0x0F) == 0x02) && (dir_lr != 0x02)) {
if ((move_list[move_index - 1] & 0xF0) == dir_ud) {
move_list[move_index - 1] = dir;
} else if (((stroke_prev & 0x0F) == 0x02) && (dir_lr != 0x02)) {
// Add LR
if ((stroke_prev & 0xF0) == dir_ud) {
// Replace totally
stroke_list[stroke_index - 1] = dir;
} else if (dir_ud == 0x20) {
// Merge
move_list[move_index - 1] = dir_lr | (move_list[move_index - 1] & 0xF0);
// Merge LR
stroke_list[stroke_index - 1] = dir_lr | (stroke_prev & 0xF0);
} else {
add_stroke(dir);
}
@ -299,6 +361,7 @@ void HandWriteView::sample_pen() {
}
}
} else {
// Register first stroke
if (dir != 0x22) add_stroke(dir);
}
}
@ -319,6 +382,7 @@ void HandWriteView::on_show() {
sample_pen();
}
);
clear_zone(Color::black(), false);
}
char * HandWriteView::value() {
@ -326,7 +390,7 @@ char * HandWriteView::value() {
}
void HandWriteView::on_button(Button& button) {
char_add(button.id + 0x30);
char_add(button.id);
update_text();
}

34
firmware/application/ui_handwrite.hpp
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@ -25,10 +25,8 @@
#include "ui_painter.hpp"
#include "ui_menu.hpp"
#include "ui_navigation.hpp"
#include "ui_font_fixed_8x16.hpp"
#include "clock_manager.hpp"
#include "unistroke.hpp"
#include "message.hpp"
#include "signal.hpp"
namespace ui {
@ -38,6 +36,7 @@ public:
HandWriteView(NavigationView& nav, char txt[], uint8_t max_len);
void paint(Painter& painter) override;
void on_show() override;
bool on_touch(const TouchEvent event) override;
@ -46,44 +45,41 @@ public:
void char_add(const char c);
private:
const HandWriting * handwriting;
Painter * _painter;
uint8_t _max_len;
uint8_t dir_cnt = 0;
uint8_t dir_prev;
uint8_t txtidx;
uint8_t flash_timer = 0;
uint8_t txtidx = 0;
bool cursor = false;
bool tracing = false;
uint8_t move_index;
uint8_t stroke_index;
uint8_t sample_skip, move_wait;
uint8_t move_list[8];
uint8_t stroke_list[8];
Point start_pos, current_pos, last_pos;
bool _lowercase = false;
static constexpr size_t button_w = 240 / 5;
static constexpr size_t button_h = 28;
bool _lowercase = true;
char txtinput[25] = {0};
void sample_pen();
void add_stroke(uint8_t dir);
void guess_letter();
void clear_zone(Color color, bool flash);
Text text_input {
{ 8, 0, 224, 16 }
};
Text text_debug_x {
{ 0, 16, 32, 16 }
};
Text text_debug_y {
{ 0, 32, 32, 16 }
};
std::array<Button, 10> num_buttons;
std::array<Button, 5> special_buttons;
Button button_case {
{ 88+64+16, 270, 32, 24 },
{ 8, 270, 32, 28 },
"UC"
};
Button button_done {
{ 88, 270, 64, 24 },
"Done"
Button button_ok {
{ 190, 270, 40, 28 },
"OK"
};
void on_button(Button& button);

1
firmware/application/ui_loadmodule.cpp
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@ -172,6 +172,7 @@ LoadModuleView::LoadModuleView(
if (ViewID == 1) nav.push<XylosView>();
if (ViewID == 2) nav.push<LCRView>();
if (ViewID == 3) nav.push<SoundBoardView>();
if (ViewID == 10) nav.push<AnalogAudioView>();
} else {
nav.pop();

9
firmware/application/ui_navigation.cpp
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@ -174,8 +174,6 @@ TranspondersMenuView::TranspondersMenuView(NavigationView& nav) {
ReceiverMenuView::ReceiverMenuView(NavigationView& nav) {
add_items<2>({ {
{ "Audio", ui::Color::white(), [&nav](){ nav.push<LoadModuleView>(md5_baseband, 10, true); } },
//{ "Audio", ui::Color::white(), [&nav](){ nav.push<AnalogAudioView>(); } },
{ "Transponders", ui::Color::white(), [&nav](){ nav.push<TranspondersMenuView>(); } },
} });
on_left = [&nav](){ nav.pop(); };
@ -199,9 +197,8 @@ SystemMenuView::SystemMenuView(NavigationView& nav) {
{ "HackRF", ui::Color::white(), [&nav](){ nav.push<HackRFFirmwareView>(); } },
} });
/*
//{ "Nordic/BTLE RX", ui::Color::cyan(), [&nav](){ nav.push(new NotImplementedView { nav }); } },
{ "Jammer", ui::Color::white(), [&nav](){ nav.push<LoadModuleView>(md5_baseband, new JammerView(nav)); } },
//{ "Jammer", ui::Color::white(), [&nav](){ nav.push<LoadModuleView>(md5_baseband, new JammerView(nav)); } },
//{ "Audio file TX", ui::Color::white(), [&nav](){ nav.push(new NotImplementedView { nav }); } },
//{ "Encoder TX", ui::Color::green(), [&nav](){ nav.push(new NotImplementedView { nav }); } },
//{ "Whistle", ui::Color::purple(), [&nav](){ nav.push(new LoadModuleView { nav, md5_baseband, new WhistleView { nav, transmitter_model }}); } },
@ -209,7 +206,7 @@ SystemMenuView::SystemMenuView(NavigationView& nav) {
//{ "Xylos RX", ui::Color::green(), [&nav](){ nav.push(new LoadModuleView { nav, md5_baseband_tx, new XylosRXView { nav, receiver_model }}); } },
//{ "AFSK RX", ui::Color::cyan(), [&nav](){ nav.push(new LoadModuleView { nav, md5_baseband, new AFSKRXView { nav, receiver_model }}); } },
//{ "Numbers station", ui::Color::purple(), [&nav](){ nav.push(new LoadModuleView { nav, md5_baseband_tx, new NumbersStationView { nav, transmitter_model }}); } },
*/
}
/* SystemView ************************************************************/
@ -228,6 +225,8 @@ SystemView::SystemView(
{
set_style(&style_default);
char debugtxt[21]; // DEBUG
constexpr ui::Dim status_view_height = 16;
add_child(&status_view);

12
firmware/application/unistroke.hpp
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@ -31,15 +31,15 @@ enum Condition {
enum Direction {
dir_empty = -1,
Uw = 0x0F, // 0x
Dw = 0x1F, // 1x
Lw = 0xF0, // x0
Rw = 0xF1, // x1
U = 0x02,
Uw = 0x0F, // Wildcards
Dw = 0x1F,
Lw = 0xF0,
Rw = 0xF1,
U = 0x02, // Orthos
D = 0x12,
L = 0x20,
R = 0x21,
UL = 0x00,
UL = 0x00, // Diagonals
DL = 0x10,
UR = 0x01,
DR = 0x11

BIN
firmware/portapack-h1-firmware.bin
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